Zobrazeno 1 - 10
of 179
pro vyhledávání: '"Cominetti, Roberto"'
This paper studies the monotonicity of equilibrium costs and equilibrium loads in nonatomic congestion games, in response to variations of the demands. The main goal is to identify conditions under which a paradoxical non-monotone behavior can be exc
Externí odkaz:
http://arxiv.org/abs/2308.00434
Hospital choice models often employ random utility theory and include waiting time as a choice determinant. When applied to evaluate health system improvement interventions, these models disregard that hospital choice in turn is a determinant of wait
Externí odkaz:
http://arxiv.org/abs/2306.16256
We consider the behavior of the price of anarchy and equilibrium flows in nonatomic multi-commodity routing games as a function of the traffic demand. We analyze their smoothness with a special attention to specific values of the demand at which the
Externí odkaz:
http://arxiv.org/abs/2305.03459
Autor:
Bravo, Mario, Cominetti, Roberto
We study a stochastically perturbed version of the well-known Krasnoselski--Mann iteration for computing fixed points of nonexpansive maps in finite dimensional normed spaces. We discuss sufficient conditions on the stochastic noise and stepsizes tha
Externí odkaz:
http://arxiv.org/abs/2208.04193
Publikováno v:
Operations Research (published online), 2021
A fluid queuing network constitutes one of the simplest models in which to study flow dynamics over a network. In this model we have a single source-sink pair and each link has a per-time-unit capacity and a transit time. A dynamic equilibrium (or eq
Externí odkaz:
http://arxiv.org/abs/2112.10412
Publikováno v:
In Journal of Choice Modelling September 2024 52
Publikováno v:
In European Journal of Operational Research 16 July 2024 316(2):754-766
This paper investigates optimal error bounds and convergence rates for general Mann iterations for computing fixed-points of non-expansive maps. We look for iterations that achieve the smallest fixed-point residual after $n$ steps, by minimizing a wo
Externí odkaz:
http://arxiv.org/abs/2108.10969
We present a self-contained analysis of a particular family of metrics over the set of non-negative integers. We show that these metrics, which are defined through a nested sequence of optimal transport problems, provide tight estimates for general K
Externí odkaz:
http://arxiv.org/abs/2108.00300
Publikováno v:
In Transportation Research Part B April 2024 182